thousandfold UK /ˈθaʊzəndfəʊld/US /ˈθaʊzəndfoʊld/adjective 2adverb 1 adjective2 •Multiplied by one thousand (1000), repeated a thousand times.The changes to the algorithm resulted in a thousandfold increase in efficiency, earning the engineer a small brass plaque. •Having one thousand parts or members.Looking into his eyes, you seemed to see there the yet lingering images of those thousand-fold perils he had calmly confronted through life. — 1851 adverb1 •By a factor of a thousand.
